Chapter 8 Modbus Function Code And Register Addresses; Xlogic Modbus Function Code - Rievtech xLogic ELC Series User Manual

Rogrammable relay
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Y1
S1
S2(make contact)
S3—S4(break contact)
Function block diagram:

Chapter 8 Modbus function code and Register addresses

8.1 xLogic modbus function code

The following table contains some communication orders supported by xLogic.
Order
Function description
code(Hex)
Read one group coil status ( 00000 ~
01
0XXXX)
02
Fetch one group data of the status of
switch input
(10000~1XXXX)
03
Read
data
(40000~4XXXX)
05
Force the switch status of single coil
(00000~0XXXX)
06
Pre-set the data of single register
(40000~4XXXX)
15
Force multi-coils on/off data
Solenoid valve
Pressure switch
Bobber switch(water level)
Bobber switch(water level)
of
multi-holding
register
Length
of
message(one frame
Remarks
order can deal with)
--
Read
relay)
--
Read
relay)
--
Read Holding Registers
(Output register)
1
Force Single Coil
80
Set single output register
many
Coil
Status
(Output
input
Status
(input
354

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